DR. HARSHA GADADHAR VARDHANA (M.D.) – Medical Oncology Physician, NPI 1285823658
Medical Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
337 HEMATOLOGY/ONCOLOGY in TN
Provider Addresses for DR. HARSHA GADADHAR VARDHANA (M.D.)
2200 E 3rd St Ste 100
Chattanooga, TN 374042724
Phone: (423) 648-2388
Fax: (423) 648-2390
Type: Location
1208 Pointe Centre Dr Ste 110
Chattanooga, TN 374213989
Phone: (423) 266-4764
Fax: (423) 414-3835
Type: Location
PO BOX 440100
NASHVILLE, TN 372440100
Phone: (615) 329-0570
Fax: (615) 329-0579
Type: Mailing
McCallie Avenue, Glenwood, Ridgeside, Chattanooga, Hamilton County, Tennessee, 3704, United States
CHATTANOOGA, TN 374032836
Phone: (423) 752-5004
Fax: (423) 414-3834
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 26 Open Payments records for all available years, with a total value of $606.
Total Amount is formed as General ($606) + Research ($0) + Ownership ($0) = $606.
Last reported payment date: 2024-12-27 • Largest payer in this snapshot: Incyte Corporation ($135).
Total Amount
$606
General + Research + Ownership
Payments
26
Total payment records
General Amount
$606
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Incyte Corporation | $135 |
| PFIZER INC. | $63 |
| Aveo Pharmaceuticals, Inc. | $44 |
| Gilead Sciences, Inc. | $33 |
| Daiichi Sankyo Inc. | $26 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2021-06-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-08-31 (1017 days ago).
Enrollment records
2
Earliest due date
2023-08-31
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090818000615 | I | Hematology/Oncology | TN | 2023-08-31 |
| I20210622001214 | I | Medical Oncology | GA | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J1439 | Injection, ferric carboxymaltose, 1 mg | 30,750 | 29 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 7,800 | 12 | $0 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 3,526 | 35 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 2,042 | 68 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 1,646 | 350 | $0 |
Insurance plans in this area (ZIP 37404)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TN | |
| Nurse Practitioner | TN | |
| - | CO | |
| Physician Assistant | TN | |
| - | TN | |
| Nurse Practitioner | CA | |
| - | TN | |
| Internal Medicine | TN | |
| Internal Medicine | GA | |
| Radiation Oncology | TN |
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